Home / 45,211.13-67,816.69-17,509.13

Finding the Fourth Proportional to 45,211.13, 67,816.69 and 17,509.13

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Solution

The fourth proportional to 45,211.13, 67,816.69 and 17,509.13 is: 26,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,211.13 : 67,816.69 = 17,509.13 : x
  2. Step 2: Convert to fraction form
    45,211.13/67,816.69 = 17,509.13/x
  3. Step 3: Cross multiply
    45,211.13x = 67,816.69 × 17,509.13
  4. Step 4: Simplify right side
    45,211.13x = 1,187,410,858.52
  5. Step 5: Solve for x
    x = 1,187,410,858.52/45,211.13
  6. Step 6: Final answer
    x = 26,263.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.